Changelog

1.1.2

• Added FeistelCipher.backfill_sentinel/0 exposing the sentinel value (-1) that marks not-yet-encrypted rows for triggers and backfill.

1.1.0

• Added backfill_for_v1_column/5 for filling encrypted columns on existing rows.
• Backfill treats both NULL and -1 as pending values.
• Added and clarified backfill documentation for trigger-based workflows.

1.0.0

• Renamed bits to data_bits.
• Added time_bits, time_bucket, time_offset, and encrypt_time.
• Introduced v1 PostgreSQL function and trigger APIs with _v1 suffixes.
• Kept time_bits: 0 as the backward-compatible path for v0.14.x and v0.15.x users.